private void dgvEligibleParticipants_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
            int  index = dgvEligibleParticipants.CurrentRow.Index;
            Guid id    = new Guid(dgvEligibleParticipants.Rows[index].Cells["PlanParticipantsEligibleId"].Value.ToString());
            PlanParticipantsEligible    obj = new PlanParticipantsEligible(id);
            frmPlanParticipantsEligible frmPlanParticipantsEligible = new frmPlanParticipantsEligible(frmMain_Parent, obj);

            frmPlanParticipantsEligible.FormClosed += frmPlanParticipantsEligible_FormClosed;
        }
        private void btnNewEligibleParticipants_Click(object sender, EventArgs e)
        {
            frmPlanParticipantsEligible frmPlanParticipantsEligible = new frmPlanParticipantsEligible(frmMain_Parent, CurrentPlan);

            frmPlanParticipantsEligible.FormClosed += frmPlanParticipantsEligible_FormClosed;
        }